Title (en)

Photochromic plastic article

Title (de)

Photochromer Kunststoffgegenstand

Title (fr)

Article en plastique photochromique

Publication

EP 1099743 A1 20010516 (DE)

Application

EP 00124278 A 20001113

Priority

DE 19954525 A 19991112

Abstract (en)

Photochromic polymer article comprises a transparent polymer containing a photochromic dye(s) with its reactive center covered with a supramolecular protective shell.

Abstract (de)

Die vorliegende Erfindung betrifft einen photochromen Kunststoffgegenstand, der ein transparentes Kunststoffmaterial und darin eingebracht mindestens einen photochromen Farbstoff umfasst, wobei mindestens das photochrome Reaktionszentrum des photochromen Farbstoffs von einer Schutzhülle auf Basis einer supramolekularen Struktur umgeben ist.

IPC 1-7

C09K 9/02

IPC 8 full level

C09K 9/02 (2006.01)

CPC (source: EP)

C09K 9/02 (2013.01)

Citation (search report)

• [X] FR 2677366 A1 19921211 - PROLABO SA [FR]
• [X] PATENT ABSTRACTS OF JAPAN vol. 010, no. 380 (P - 528) 19 December 1986 (1986-12-19)
• [X] PATENT ABSTRACTS OF JAPAN vol. 010, no. 250 (P - 491) 28 August 1986 (1986-08-28)
• [X] DATABASE WPI Section Ch Week 198850, Derwent World Patents Index; Class A89, AN 1988-357727, XP002160266
• [X] PATENT ABSTRACTS OF JAPAN vol. 013, no. 015 (C - 559) 13 January 1989 (1989-01-13)
• [A] PATENT ABSTRACTS OF JAPAN vol. 1999, no. 08 30 June 1999 (1999-06-30)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 1099743 A1 20010516; EP 1099743 B1 20041110; DE 50008588 D1 20041216

DOCDB simple family (application)

EP 00124278 A 20001113; DE 50008588 T 20001113